The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 09, 2000
Filed:
Mar. 25, 1998
Applicant:
Inventors:
Guang-Der Tarng, Hsin Chu Hsien, TW;
Lung-Tsai Chang, Hsin Chu, TW;
Assignee:
Rechi Precision Co., Ltd., Tao Yuan Hsien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C / ;
U.S. Cl.
CPC ...
418 554 ;
Abstract
A high-low pressure chamber sealing arrangement of a volute compressor in which a spring element is mounted on a fixed volute at the top, and a seal ring is supported on the spring element and forced upwards by the spring element into close contact with a partition block at the bottom around the through hole on the partition block, which through imparts a passage between a low pressure chamber above the partition block and a high pressure chamber below the partition block.